Plot: After the confrontation in Babel goes awry, Shun, Prince Emilio, and the ragtag team of rebels must face an even bigger problem than before.

Without a king, the entire country is falling into chaos, and without a passage to the surface, Shun has no way home. It’s a treacherous journey back to the capital, where Pascal’s research uncovers the world’s dismal fate.

Plot:When a crystal warps Shun Asanaga into a world deep beneath Earth’s surface, he confronts the moody Prince Emilio who is hellbent on killing the king.

Just when the two seem perfectly at odds, Shun discovers an incredible power and winds up on a dangerous journey with a ragtag team of rebels. Seeking a portal between worlds, will the prince finally get his revenge, and will Shun find a way home?